19621072

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 60

約数和(自身を含む): 41574720

約数和(自身を除く): 21953648

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 79, 86, 152, 158, 172, 304, 316, 344, 361, 632, 688, 722, 817, 1264, 1444, 1501, 1634, 2888, 3002, 3268, 3397, 5776, 6004, 6536, 6794, 12008, 13072, 13588, 15523, 24016, 27176, 28519, 31046, 54352, 57038, 62092, 64543, 114076, 124184, 129086, 228152, 248368, 258172, 456304, 516344, 1032688, 1226317, 2452634, 4905268, 9810536, 19621072]

約数ペア:

[(1, 19621072), (2, 9810536), (4, 4905268), (8, 2452634), (16, 1226317), (19, 1032688), (38, 516344), (43, 456304), (76, 258172), (79, 248368), (86, 228152), (152, 129086), (158, 124184), (172, 114076), (304, 64543), (316, 62092), (344, 57038), (361, 54352), (632, 31046), (688, 28519), (722, 27176), (817, 24016), (1264, 15523), (1444, 13588), (1501, 13072), (1634, 12008), (2888, 6794), (3002, 6536), (3268, 6004), (3397, 5776)]